EBS Snapshot DR Gap / Durability Risk Diagnostic Troubleshooter (Part 2)
Use the interactive troubleshooter below to identify your EBS snapshot DR gap or durability risk symptom, review the raw evidence, understand the root cause, and apply the recommended fix.
🚨 Step 1: What specific error symptom are you experiencing?
Please click the most accurate description:
Quick Reference Table
| # | Scenario | Key Error Signal | Root Cause | The Fix |
|---|---|---|---|---|
| 4 | Encrypted Snapshot Restoration Failure | Client.InternalError: Client error on launch | A snapshot specified in the block device mapping for the AMI is encrypted and you do not have permissions to access the KMS key for decryption. | N/A |
| 5 | Snapshot Block Data Corruption in Transit | aws ebs put-snapshot-block --snapshot-id snap-0aaEXAMPLEe306d62 --block-index 1000 --data-length 524288 --block-data /tmp/data --checksum QOD3gmEQOXATfJx2Aa34W4FU2nZGyXfqtsUuktOw8DM= --checksum-algorithm SHA256 | The EBS direct APIs service computes the checksum of the received data and fails the action if it does not match the specified Base64-encoded SHA256 checksum. | N/A |
| 6 | Storage Fault / I/O Timeout Validation Gap | The CloudWatch metrics for VolumeReadOps or VolumeWriteOps will be 0 and VolumeQueueLength will be non-zero | If an instance workload is not tested using AWS FIS to pause volume I/O, the OS timeout configuration (nvme_core.io_timeout) may fail to handle I/O interruptions. | N/A |